[ 2179.300755][T17650] gre: GRE over IPv4 demultiplexor driver
[ 2181.006717][T17673] ip_gre: GRE over IPv4 tunneling driver
[ 2232.529948][T18244] ip6_gre: GRE over IPv6 tunneling driver
[ 2250.901779][T18443] ping (18443) used greatest stack depth: 22752 bytes left
[ 2268.782710][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2273.838627][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2278.190624][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2283.310654][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!